John Kevin Base, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

125.084932 Issued in IL

Practice address

1950 W Polk St FL 6
Chicago, IL 60612-3723

Phone

(312) 864-7311

NPI assigned

Aug 12, 2024

Last updated

Apr 10, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: No
• Medical equipment: Yes
• Home health: No
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1723420800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744243200000",
    "number": "1881425650",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1950 W POLK ST FL 6",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606123723",
            "telephone_number": "312-864-7311",
            "fax_number": "312-847-0206"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1950 W POLK ST FL 6",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606123723",
            "telephone_number": "312-864-7311"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BASE",
        "first_name": "JOHN KEVIN",
        "name_prefix": "Mr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2024-08-12",
        "last_updated": "2025-04-10",
        "certification_date": "2025-04-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "125.084932",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Aidarina Basarudin-Pigott, LCSW
• Joanna Kalaw Basaya, D.D.S.
• Gail M Basch, M.D.
• Evelyn Ganaden Basco, MD
• Grace Bascos, PA-C
• Base10 Genetics, LLC
• Syed Baseer, MD
• Tolly Baseman, LCPC
• Jennifer Basemore
• Whitney Basford, MD

• Internal Medicine Physician in Chicago, IL
• Providers in Chicago, IL by specialty
• Internal Medicine Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 10, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.